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MPA Electrical NM55665 Brake Master Cylinder
| Brand | MPA Electrical NM55665 |
|---|---|
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 1.0 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Sensor Included | No |
| Mounting Hole Diameter | 0.675 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 4 |
| Product Condition | New |
| Product line | New with front disc brakes |
| Fits | Audi · 64 vehicles |
Standard replacement. Engineered to restore hydraulic braking performance with OE-style fit and function.
Aluminum housing. Lightweight construction with a 1.0-inch bore for consistent pressure delivery.
Service-ready seal. Includes a gasket or seal for brake system service and reassembly.
Cross-references 4G2611021, 4G2611021A and 4G2611021C for the same application. See all 3.
Brake Master Cylinder Overview
The MPA Electrical NM55665 brake master cylinder is a standard replacement part engineered to restore braking performance. It is built for Audi applications with front disc brakes and uses a 1.0-inch bore with an aluminum body for consistent hydraulic response.
Key Features
- Standard replacement brake master cylinder for hydraulic brake repair
- Aluminum construction for a durable, lightweight housing
- 1.0-inch bore diameter for proper brake system pressure delivery
- Gasket or seal included for service-ready installation
- Uses DOT 4 brake fluid
Fitment Details
Compatible with Audi A6, Audi A6 Quattro, Audi RS7, Audi S6, Audi S7, Audi A5 Quattro, Audi S5, Audi A4, Audi A4 Quattro, Audi A7 Quattro, Audi allroad, Audi S4, and Audi A5 applications with front disc brakes. Fits 2012-2018 Audi A6, N/A. Fits 2012-2018 Audi A6 Quattro, N/A. Fits 2014-2018 Audi RS7, N/A. Fits 2013-2018 Audi S6, N/A. Fits 2013-2018 Audi S7, N/A. Fits 2013-2017 Audi A5 Quattro, N/A. Fits 2013-2017 Audi S5, N/A. Fits 2013-2016 Audi A4, N/A. Fits 2013-2016 Audi A4 Quattro, N/A. Fits 2012-2016 Audi A7 Quattro, N/A. Fits 2013-2016 Audi allroad, N/A. Fits 2013-2016 Audi S4, N/A. Fits 2013-2014 Audi A5, N/A.
This part cross-references Audi OE numbers 4G2611021, 4G2611021A, and 4G2611021C for the same application.
Installation Notes
Verify bore size, mounting hole diameter, and brake fluid specification before installation. This unit does not include a reservoir, cap, push rod, brake booster, sensor, or mounting hardware, so reuse or source those components as needed during service.
Quality Assurance
MPA Electrical tests each brake master cylinder against OE specifications using proprietary processes and strict protocols. The NM55665 is a new standard replacement part built from OE sample-based engineering for consistent braking performance out of the box.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Notes |
|---|---|---|---|---|---|---|
| 2018 | Audi | A6 | — | — | — | New with front disc brakes |
| 2018 | Audi | A6 Quattro | 2.0L | L4 | — | New with front disc brakes |
| 2018 | Audi | RS7 | — | — | — | New with front disc brakes |
| 2018 | Audi | S6 | — | — | — | New with front disc brakes |
| 2018 | Audi | S7 | — | — | — | New with front disc brakes |
| 2017 | Audi | A5 Quattro | — | — | — | New with front disc brakes |
| 2017 | Audi | A6 | — | — | — | New with front disc brakes |
| 2017 | Audi | A6 Quattro | 2.0L | L4 | — | New with front disc brakes |
| 2017 | Audi | RS7 | — | — | — | New with front disc brakes |
| 2017 | Audi | S5 | — | — | — | New with front disc brakes |
| 2017 | Audi | S6 | — | — | — | New with front disc brakes |
| 2017 | Audi | S7 | — | — | — | New with front disc brakes |
| 2016 | Audi | A4 | — | — | — | New with front disc brakes |
| 2016 | Audi | A4 Quattro | — | — | — | New with front disc brakes |
| 2016 | Audi | A5 Quattro | — | — | — | New with front disc brakes |
| 2016 | Audi | A6 | — | — | — | New with front disc brakes |
| 2016 | Audi | A6 Quattro | 3.0L | V6 | DIESEL | New with front disc brakes |
| 2016 | Audi | A7 Quattro | — | — | — | New with front disc brakes |
| 2016 | Audi | allroad | — | — | — | New with front disc brakes |
| 2016 | Audi | RS7 | — | — | — | New with front disc brakes |
| 2016 | Audi | S4 | — | — | — | New with front disc brakes |
| 2016 | Audi | S5 | — | — | — | New with front disc brakes |
| 2016 | Audi | S6 | — | — | — | New with front disc brakes |
| 2016 | Audi | S7 | — | — | — | New with front disc brakes |
| 2015 | Audi | A4 | — | — | — | New with front disc brakes |
| 2015 | Audi | A4 Quattro | — | — | — | New with front disc brakes |
| 2015 | Audi | A5 Quattro | — | — | — | New with front disc brakes |
| 2015 | Audi | A6 | — | — | — | New with front disc brakes |
| 2015 | Audi | A6 Quattro | — | — | — | New with front disc brakes |
| 2015 | Audi | A7 Quattro | — | — | — | New with front disc brakes |
| 2015 | Audi | allroad | — | — | — | New with front disc brakes |
| 2015 | Audi | RS7 | — | — | — | New with front disc brakes |
| 2015 | Audi | S4 | — | — | — | New with front disc brakes |
| 2015 | Audi | S5 | — | — | — | New with front disc brakes |
| 2015 | Audi | S6 | — | — | — | New with front disc brakes |
| 2015 | Audi | S7 | — | — | — | New with front disc brakes |
| 2014 | Audi | A4 | — | — | — | New with front disc brakes |
| 2014 | Audi | A4 Quattro | — | — | — | New with front disc brakes |
| 2014 | Audi | A5 | — | — | — | New with front disc brakes |
| 2014 | Audi | A5 Quattro | — | — | — | New with front disc brakes |
| 2014 | Audi | A6 | — | — | — | New with front disc brakes |
| 2014 | Audi | A6 Quattro | — | — | — | New with front disc brakes |
| 2014 | Audi | A7 Quattro | — | — | — | New with front disc brakes |
| 2014 | Audi | allroad | — | — | — | New with front disc brakes |
| 2014 | Audi | RS7 | — | — | — | New with front disc brakes |
| 2014 | Audi | S4 | — | — | — | New with front disc brakes |
| 2014 | Audi | S5 | — | — | — | New with front disc brakes |
| 2014 | Audi | S6 | — | — | — | New with front disc brakes |
| 2014 | Audi | S7 | — | — | — | New with front disc brakes |
| 2013 | Audi | A4 | — | — | — | New with front disc brakes |
| 2013 | Audi | A4 Quattro | — | — | — | New with front disc brakes |
| 2013 | Audi | A5 | — | — | — | New with front disc brakes |
| 2013 | Audi | A5 Quattro | — | — | — | New with front disc brakes |
| 2013 | Audi | A6 | — | — | — | New with front disc brakes |
| 2013 | Audi | A6 Quattro | — | — | — | New with front disc brakes |
| 2013 | Audi | A7 Quattro | — | — | — | New with front disc brakes |
| 2013 | Audi | allroad | — | — | — | New with front disc brakes |
| 2013 | Audi | S4 | — | — | — | New with front disc brakes |
| 2013 | Audi | S5 | — | — | — | New with front disc brakes |
| 2013 | Audi | S6 | — | — | — | New with front disc brakes |
| 2013 | Audi | S7 | — | — | — | New with front disc brakes |
| 2012 | Audi | A6 | — | — | — | New with front disc brakes |
| 2012 | Audi | A6 Quattro | — | — | — | New with front disc brakes |
| 2012 | Audi | A7 Quattro | — | — | — | New with front disc brakes |
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